Machine for the separation and formation of the filler of cigar bunches



April 25, 1933- E. GRANSTEDT 5 MACHINE FOR THE SEPARATION AND FORMATION OF THE FILLER OF CIGAR BUNQHES Filed March8, 1928 i 3 Sheets-Sheet 1 5 m n 7 a/ April 1933- E; GRANSTEDT MACHINE FOR THE SEPARATION AND FORMATION OF THE FILLER OF CIGAR BUNCHES Filed March8, 1928 5 SheetsSheet 2 Mwevrwe M 1 W w .a n W m W O g I. n z. 5 5 .74 W

April 25, 1933. E. GRANSTEDT 1,905,586

MACHINE FOR THE SEPARATION AND FORMATION OF THE FILLER 0F CIGAR BUNCHES Filed March8, 1928 3 Sheets-Sheet 3 F'I.'E:

Patented Apr. 25, 1933 iisirrnsraras ieeasst;

PATENT DFFECE 0F STOCILHOLM, SWEDEN, A JOINT-STOCK COMPANY OF SWEDEN MACHINE FOR THE emanation Application filed March 8, 1928, Seria1 No.

. In the manufacture of cigar bunches,

where the filler consists of whole tobacco leaves or large leaf parts, it is known to be of greatimport-ance that these leaves or leaf parts are arranged in the longitudinal direction of the cigar instead of lying transversely thereto, and that the leavesconstr tuting the filler are not unnecessarily broken or cut during the work, but obtain the greatest length which is theoretically possible to obtain with respect to the shape of the cigar.' I I The present invention relates to a method for obtaining this purpose, the invention consisting substantially in that a tobacco string is produced for each bunch, which string is considerably longer than the bunch, and from which the filler required for the hunch is stamped out, this being effected in known manner so that the filler will be practically parallel to the longitudinal d1- rection of the string.

The string is produced directly out'of a suitable quantity or portion of tobacco leaves or leaf parts which are brought into a position where they are parallel to each other, if they do not previously occupy such a position. This leaf bundle is then pressed together in the transversal direction, in .order'to-shape the string to the. desired width; The tobacco portion should obviously be adapted so that the part of the string from which the bunch filler is stamped out will be of uniform thickness. Consequently, the leaves are thus permitted in the course of pressing to remain in that position, counted in the longitudinal direction, which they have occupied on having been arranged in para-llelto-oneanother. It is evidentlthat the ends of the string. will thus be uneven,

in that the leaves project at the ends by a varying amount, according as-the leaves are of a different length or occupy different positions. After thestamping-of the bunch filler has been effected, which stamping should take place at the middle portion of the string, counted in the longitudinal direction thereof, the remaining portions of the string are thus. entirely uncut externally,

while the separate leaves or leaf parts there- AND roaivrarroiv or THE FILLER or CIGAR BUNCHES V a V I 260,112, and. in Germany March 17, 1927.

in are cut to the least possible extent. These leaves or leaf parts are also comparatively long on account of the great length of the string in relation to the bunch or the leaves,

and in certain cases such levers or leafparts will still be whole, for which reason they are used, according to the invention, together with new leaves to form' anew leaf bundle for the leaf string. Of course, the string should not be made longer than required to-attain the desired result. If the string is made so long that the waste will be very large, the method will of course be uiieconomical. tion thereof which is of uniform thickness should, however, be at least as long as the cigar, whereas the length ofthe outwardly The por-- tapering end portions of the string will be dependent on thelength of the leaves.

It should be obvious that by the present method of forming the string and of cutting the filler from the same, those tobacco portions which eachare intended to form a string, without this having any influence on the quantity of tobacco in :the bunch filler stamped out of the strings. v

It is previouslyknown to make fillers for cigar bunches by first forming aband of tobacco wherein the leaves lie in parallel to the transversal direction of. the bandythe latter :having a width corresponding approximately to the length of the bunch, this band being then cut even at the edges, the

ends of a plurality of leaves being then out desired width by transversal cuts, a third out being then finally performed for the purpose of forming the filler to the shape of the willbe comparatively abundant, consists of tobacco portions that may only'be' used for an inferior tobacco product. Besides, these strings; out out of tobacco bands are not comparable with the strings produced acmay vary within certain limits,

off, of course, whereupon filler blanks (strings) are being. successively cuttothe cording to the present invention, inasmuch asthe former possess cut lateral faces, wherelateral edges of said plate.

as the latter have no cut surfaces prior to the stamping of the bunch filler, in that everyone of them is produced out of a portion of tobacco leaves or leaf parts which have only been subjected to pressing in the trai'isversal direction of the leaves on having been arranged in parallel to each other.

The stamping should be effected by means of a stamp cooperating with a die-block, that is to say, the stamp is to be pressed against the whole upper surface of the portion to be stamped out of the string, so that the said portion is moved down through the hole of the die-block.

A machine according to the invention is illustrated in the accompanying drawings, where Fig. 1 is a vertical longitudinal section, Fig. 2 a vertical transversal section, and Fig. 3 a plan view of the machine; Fig. 4: represents a diagrammatical representation of the string, such as itappears after the filler required for the cigar bunch has been stamped out and removed.

2 designates the container for the filler tobacco mounted on the frame 1. From this container, the tobacco is transferred, either by hand or by means ofa suitable mechanical device, to the feeding-in channel '3. From this feeding-in channel 3, the tobacco fallsdown into a horizontal press ng channel 5, 6 when a door 4: secured on a rotatable shaft 22 and provided between the two channels occupies the open position shown with chain-dotted lines in Fig. l. The pressing channel is formed by a plate 5 and by upwardly directed walls 6 connected to the Entering the rear end of the pressing channel is a piston 25 consisting of a bent plate, said piston being attached to a piston rod 80 adapted to ltoe moved to and fro in the horizontal direcion.

The fore end of the pressing channel 5, 6 is closed by a head wall 9 of sheet metal. Thus the tobacco leaves introduced into the pressing channel will be pressed together between the said: head wall 9 and the piston 25 when the latter is advanced.

The bottom of the fore end of the pressing channel 5 consists of a die-block 24 for the 7 stamp 10 which is adapted to be moved up and down and which serves to stamp out the bunch filler out of the filler tobacco, which latter is pressed together in the front part of the pressing channel in the manner disclosed more fully hereinbelow. .The pressingsurface of the stamp is whole and has the same outline as the desired bunch filler, so that the whole upper surface of that portion of the string which is to be stamped out is subjected to the pressure of the stamp, and is pressed down through the die-block 24, the hole of which is of such a shape as to fit accurately to the stamp.

The pressing channel ,5, 6, including the feeding-in channel. 3, the head wall 9, a wall 31 forming the roof of the upper portion of the pressing channel and connected to the front head wall 9 of the feeding-in channel 3, is supported by the bracket 19 mounted on the frame 1, while the piston rod 30 is carried by and movable in guides 33 in another bracket 3 1 provided on the frame 1. r The tobacco leaves are introduced into the pressing channel in such a manner that their longitudinal direction will coincide, approximately at least, with the transversal direction of the pressing channel.

Before the piston 25 commences to move forwards from the position shown with full lines in Fig. 1, the door 1 moves into the closed position.

The stamp 10 then occupies the upper po-. sition shown in Fig.1, that is to say, engages the opening provided therefor in the upper wall 31 of the front part of the pressing channel.

The forward movement of the piston is interrupted at certain intervals, and these interruptions are followed by short return movements of the piston; By. this means the tobacco leaves will be successively arranged in such a manner as to be caused to lie in parallel tothe' piston 25, that is to say, to the transversal direction of the pressing channel. I

When'thepiston 25 has reached its foremost position indicated with chain-dotted lines in Fig. 1, the filler tobacco having thus been formed into a string between the piston and the head-wall 9, the stamp moves down through the pressing channel and the clieblock 24, thus stamping out a bunch filler to the exact -crosssect-ional shape of the stamp. The stamped out bunch filler falls down into a container, or directly into the machine where it is to be worked further.

" After the stamping operation has been completed, the stamp and the piston will move into their initial positions.

According to the embodiment described and shown, the pressed string is about twice as long as the cross sectional surface (the stamp surface) of the stamp, and stamping of the bunch filler is efi'ectedout of the middle portionof the string and in such a manner that the longitudinal direction of the bunch coincides with that of the string. Furthermore, the widest portion of the stamp surface, is of the same width as that of the string, so that the remainder of the string (the waste) will be divided into two parts by the stamping of the bunch filler, which parts are of a comparatively great length. These waste portions, which are designated by a and b in Fig. 4, and which, as will be readily understood, are constituted by long leaves or long: leaf parts, are rem ved i her y h nd or y a su able 1 16-:

chanical means, and in the pressing channel they. are brought together with tobacco leaves fetched out of the container 2, in order to form another string together with said tobacco leaves.

The stamp 10 is secured on a cross piece 20 provided above the front part of the pressing channel, said cross piece 20 being in turn attached to the upper ends of two vertical slide rods 11, for which guide sleeves 35, 36, 37 are provided on the bracket 19 and the upper and lower parts respectively of the frame 1 (Figs. 1 and 2);

Moreover, a horizontal shaft let is rotatably mounted in projections 38 of the frame, said shaft 14: having secured thereon the one ends of two arms 12 engaging with their other forked ends each about one of the slide rods 11 and between stop rings or flanges 13 provided on said rods.

An arm 15 is also secured on the shaft 14, said arm being provided with a roller 39 engaging a cam slot in a cam disk 16 attached to the main shaft 17 mounted in the frame 1, said main shaft being driven, for instance, by means of a belt transmission from a suitable'source of power. 1

Furthermore, an arm 21 is secured on th shaft 22 to which the door 4 is attached, said arm 21 engaging by means of an elongated slot 40 a'pin 41 on an arm 23 attached to the cross piece 20. When the piston 25 has reached its foremost position in the pressing channel, the stamp 10 moves downwards, that is to say, performs its working stroke, through the medium of the parts 16, 39, 15, 14, 12, 13, 11, 20, at the rotation of the main shaft 17 the door 4 being then turned upwards and opened by means of the parts 21, 22, 23. The piston then returns into the initial position, so that another set of tobacco leaves may be introduced into the channel.

The piston rod 30 is pivoted at its rear end to the one arm of a double armed lever 7 which is rotatably mounted on the shaft 14, the other arm of said lever being provided with a roller 42 engaging a cam slot in a cam disk 8 attached to the main shaft Through the last mentioned arrangement, 7

the pistonis caused at the rotation of the main shaft to move to and fro in the pressing channel in the proper relation to'the movements of the stamp and the door.

What I claim is 1. A machine for making cigar fillers,

channel for receiving a portion of tobacco, a

transversal wall at one end of the channel, a die in the bottom of said channel near the wall, said die having an opening which is of the same size and form as the filler, a

top wall for the said channel end, Said. top,

wall having an opening opposite'the dieopening, a plunger mounted to enter through the said opening in thetop wall and adapted to cooperate with the die to cut out the filler from the tobacco portion and move it from the channel through said die-opening, a piston adapted to'be moved in the channel toward said end wall to pressthe tobacco portion between it and said wall,

a door disposed at the top of the channel,

said door joining the upper side of'the piston when in its closed position, in which the door must be kept when the piston performs its working stroke, and means Whereby the working stroke of said piston is interrupted at predetermined intervals, Whereby the piston makes short return movements on said interruptions. I r

In testimony whereof I aflix my signature.

' ERIK GRANSTEDT. 

